KDJ11-A CPU - Revision history

Jnc: /* Further reading */ +Compatible Bootstrap for the LSI-11/73

2024-08-01T19:02:41Z

Further reading: +Compatible Bootstrap for the LSI-11/73

← Older revision		Revision as of 19:02, 1 August 2024
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	\| Out \|\| Out \|\| PC=configuration jumpers, PS=340		\| Out \|\| Out \|\| PC=configuration jumpers, PS=340
	\|}		\|}

			==Further reading==

			* ''Compatible Bootstrap for the LSI-11/73'', [[MicroNote]] #114
			* ''LSI-11/73 Upgrade Paths'', [[MicroNote]] #115

	==External links==		==External links==

Jnc: rm bloat

2023-07-02T19:05:58Z

rm bloat

← Older revision		Revision as of 19:05, 2 July 2023
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	* [http://www.bitsavers.org/pdf/dec/pdp11/1173/EK-KDJ1A-UG-002_KDJ11-A_CPU_Module_Users_Guide_2ed_Jun86.pdf KDJ11-A CPU Module User's Guide] (EK-KDJ1A-UG-002)		* [http://www.bitsavers.org/pdf/dec/pdp11/1173/EK-KDJ1A-UG-002_KDJ11-A_CPU_Module_Users_Guide_2ed_Jun86.pdf KDJ11-A CPU Module User's Guide] (EK-KDJ1A-UG-002)
	* [http://www.bitsavers.org/pdf/dec/pdp11/1173/MP01890_KDJ11-A_Jan84.pdf KDJ11-A Field Maintenance Print Set] (MP01890-01)		* [http://www.bitsavers.org/pdf/dec/pdp11/1173/MP01890_KDJ11-A_Jan84.pdf KDJ11-A Field Maintenance Print Set] (MP01890-01)

	~~{{PDP-11}}~~

	[[Category: PDP-11 QBUS Processors]]		[[Category: PDP-11 QBUS Processors]]

Jnc: /* External links */ Narrow category

2022-10-11T20:30:09Z

External links: Narrow category

← Older revision		Revision as of 20:30, 11 October 2022
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	{{PDP-11}}		{{PDP-11}}

	[[Category: PDP-11 ~~Processors]]~~		[[Category: PDP-11 QBUS Processors]]
	~~[[Category:~~ QBUS Processors]]

Jnc: /* External links */ +Manual, FMPS

2021-11-23T12:50:20Z

External links: +Manual, FMPS

← Older revision		Revision as of 12:50, 23 November 2021
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	A limited amount of configuration can be done with a set of nine jumpers (in the middle of the card).Their functions are:		A limited amount of configuration can be done with a set of nine jumpers (in the middle of the card).Their functions are:

	{\| border=1		{\| class="wikitable" \| border=1
	! Jumper !! Function !! In \|\| Out		! Jumper !! Function !! In \|\| Out
	\|-		\|-
Line 37:		Line 37:
	Powerup options are:		Powerup options are:

	{\| border=1		{\| class="wikitable" \| border=1
	! W3 !! W7 !! Action		! W3 !! W7 !! Action
	\|-		\|-
Line 48:		Line 48:
	\| Out \|\| Out \|\| PC=configuration jumpers, PS=340		\| Out \|\| Out \|\| PC=configuration jumpers, PS=340
	\|}		\|}

			==External links==

			* [http://www.bitsavers.org/pdf/dec/pdp11/1173/EK-KDJ1A-UG-002_KDJ11-A_CPU_Module_Users_Guide_2ed_Jun86.pdf KDJ11-A CPU Module User's Guide] (EK-KDJ1A-UG-002)
			* [http://www.bitsavers.org/pdf/dec/pdp11/1173/MP01890_KDJ11-A_Jan84.pdf KDJ11-A Field Maintenance Print Set] (MP01890-01)

	{{PDP-11}}		{{PDP-11}}

Jnc: config jumpers

2020-05-20T23:03:00Z

config jumpers

@@ Line 1: / Line 1: @@
-[[Image:KDJ11-A.jpg|150px|thumb|right|KDJ11-A CPU]]
+[[Image:KDJ11-A.jpg|200px|thumb|right|KDJ11-A CPU]]
-The '''KDJ11-A''' CPU board (M8192) is the first [[QBUS]] [[CPU]] card using the [[J-11 chip set]] of the [[PDP-11]]. It is a [[DEC card form factor|dual-height]] board, and was used to upgrade [[PDP-11/23]] systems. (Confusingly, no DEC 'PDP-11/xx' system is specified as using the KDJ11-A.)
+The '''KDJ11-A CPU''' board (M8192) is the first [[QBUS]] [[PDP-11]] [[Central Processing Unit|CPU]] card using the [[J-11 chip set]]. It is a [[DEC card form factor|dual-height]] board, and was used to upgrade [[PDP-11/23]] systems. (Confusingly, no DEC 'PDP-11/xx' system is specified as using the KDJ11-A.)
-It contains an 8K-byte write-through cache (set size 1, block size 1 16-bit word), protected by parity; cache control logic inspects [[DMA]] transfers and invalidates cache entries for memory which is written to by a device.
+It contains an 8K-byte write-through [[cache]] (set size 1, block size 1 16-bit word), protected by [[parity]]; cache control logic inspects [[Direct Memory Access|DMA]] transfers on the QBUS and invalidates cache entries for [[main memory]] which is written to by a [[peripheral|device]].
-It also provides a set of diagnostic [[LED]]s, and a Line Time Clock; but no other devices (boot PROM, serial line, etc).
+It also provides a set of diagnostic [[Light Emitting Diode|LED]]s, and a [[line time clock]]; but no other devices (boot [[PROM]], [[serial line]], etc). Both the LTC, and its control [[register]], are enabled by a single configuration [[jumper]] (below).
 Although the J-11 does implement [[FP11 floating point|FP11]] floating-point, the board can also use the optional [[FPJ11 floating point accelerator]] [[integrated circuit|chip]]; note that only the -YB version of the board operates correctly with the FPJ11.
 {{PDP-11}}

Jnc: +links

2020-01-05T20:27:02Z

+links

← Older revision		Revision as of 20:27, 5 January 2020
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	It also provides a set of diagnostic [[LED]]s, and a Line Time Clock; but no other devices (boot PROM, serial line, etc).		It also provides a set of diagnostic [[LED]]s, and a Line Time Clock; but no other devices (boot PROM, serial line, etc).

	Although the J-11 does implement FP11 floating-point, the board can use the FPJ11 ~~Floating Point Accelerator (~~note that only the -YB version of the board operates correctly with the FPJ11).		Although the J-11 does implement [[FP11 floating point\|FP11]] floating-point, the board can also use the optional [[FPJ11 floating point accelerator]] [[integrated circuit\|chip]]; note that only the -YB version of the board operates correctly with the FPJ11.

	{{PDP-11}}		{{PDP-11}}

Jnc: Proper cat

2018-02-17T15:41:23Z

Proper cat

← Older revision		Revision as of 15:41, 17 February 2018
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	{{PDP-11}}		{{PDP-11}}

	[[Category:QBUS ~~processors~~]]		[[Category: PDP-11 Processors]]
			[[Category: QBUS Processors]]

Jnc: avoid redir

2016-09-17T14:59:28Z

avoid redir

← Older revision		Revision as of 14:59, 17 September 2016
Line 1:		Line 1:
	[[Image:KDJ11-A.jpg\|150px\|thumb\|right\|KDJ11-A CPU]]		[[Image:KDJ11-A.jpg\|150px\|thumb\|right\|KDJ11-A CPU]]

	The '''KDJ11-A''' CPU board (M8192) is the first [[QBUS]] [[CPU]] card using the [[J-11]] ~~chip~~ of the [[PDP-11]]. It is a [[DEC card form factor\|dual-height]] board, and was used to upgrade [[PDP-11/23]] systems. (Confusingly, no DEC 'PDP-11/xx' system is specified as using the KDJ11-A.)		The '''KDJ11-A''' CPU board (M8192) is the first [[QBUS]] [[CPU]] card using the [[J-11 chip set]] of the [[PDP-11]]. It is a [[DEC card form factor\|dual-height]] board, and was used to upgrade [[PDP-11/23]] systems. (Confusingly, no DEC 'PDP-11/xx' system is specified as using the KDJ11-A.)

	It contains an 8K-byte write-through cache (set size 1, block size 1 16-bit word), protected by parity; cache control logic inspects [[DMA]] transfers and invalidates cache entries for memory which is written to by a device.		It contains an 8K-byte write-through cache (set size 1, block size 1 16-bit word), protected by parity; cache control logic inspects [[DMA]] transfers and invalidates cache entries for memory which is written to by a device.

Jnc: rm dup cat

2016-09-17T14:48:39Z

rm dup cat

← Older revision		Revision as of 14:48, 17 September 2016
Line 9:		Line 9:
	Although the J-11 does implement FP11 floating-point, the board can use the FPJ11 Floating Point Accelerator (note that only the -YB version of the board operates correctly with the FPJ11).		Although the J-11 does implement FP11 floating-point, the board can use the FPJ11 Floating Point Accelerator (note that only the -YB version of the board operates correctly with the FPJ11).

	{{~~stub~~}}		{{PDP-11}}

	~~{{PDP-11}}~~
	~~[[Category:DEC processors]]~~
	[[Category:QBUS processors]]		[[Category:QBUS processors]]

Jnc: typo

2016-09-07T11:24:27Z

typo

← Older revision		Revision as of 11:24, 7 September 2016
Line 1:		Line 1:
	[[Image:KDJ11-A.jpg\|150px\|thumb\|right\|KDJ11-A CPU]]		[[Image:KDJ11-A.jpg\|150px\|thumb\|right\|KDJ11-A CPU]]

	The '''KDJ11-A''' CPU board (M8192) is the first [[QBUS]] [[CPU]] card using the [[J-11]] chip of the [[PDP-11]]. It is a [[DEC card form factor\|dual-height]] board, and was used to upgrade [[PDP-11/23]] systems. (Confusingly, no DEC 'PDP-11/xx'' system is specified as using the KDJ11-A.)		The '''KDJ11-A''' CPU board (M8192) is the first [[QBUS]] [[CPU]] card using the [[J-11]] chip of the [[PDP-11]]. It is a [[DEC card form factor\|dual-height]] board, and was used to upgrade [[PDP-11/23]] systems. (Confusingly, no DEC 'PDP-11/xx' system is specified as using the KDJ11-A.)

	It contains an 8K-byte write-through cache (set size 1, block size 1 16-bit word), protected by parity; cache control logic inspects [[DMA]] transfers and invalidates cache entries for memory which is written to by a device.		It contains an 8K-byte write-through cache (set size 1, block size 1 16-bit word), protected by parity; cache control logic inspects [[DMA]] transfers and invalidates cache entries for memory which is written to by a device.